Buffalo OP-HDS Series OP-HD4.0S has a 4TB high-performance hard drive OP-HD4.0S, which is designed around storage and the seamless operation of the drive. This hard drive is suitable for desktops, Network-attached storage systems, NAS systems as well as portable hard disk enclosures, giving it versatility. The hard drive provides more than enough storage for large files, multimedia projects, and backups of the system. The design of the drive is optimized in such a way that data access is fast and smooth performance is achievable even during the execution of intensive tasks. Durham and compatibility OP-HDS series are tailored to both personal and professional environments. This dependable storage solution exhibits the craftsmanship of Buffalo, which is proven in the storage technology industry. For trustworthy performance, dependability, and optimized multitasking add the OP-HD4.0S to your system or use it as a standalone.